• Thumbnail for Gemini (constellation)
    approximately 550 light-years from Earth. Other objects include NGC 2129, NGC 2158, NGC 2266, NGC 2331 and NGC 2355. The Geminids is a bright meteor shower that peaks...
    20 KB (2,292 words) - 21:24, 24 December 2024
  • Thumbnail for NGC 5364
    NGC 5364 is a grand design spiral galaxy located 54.5 million light years away in the constellation Virgo. It is inclined to the line of sight from the...
    9 KB (696 words) - 19:53, 14 December 2024
  • Thumbnail for Crab Pulsar
    (1969), "Discovery of Optical Signals from Pulsar NP 0532", Nature, 221 (5180): 525, Bibcode:1969Natur.221..525C, doi:10.1038/221525a0, S2CID 4296580 "Moments...
    22 KB (2,256 words) - 17:52, 22 December 2024
  • Thumbnail for Orders of magnitude (length)
    1 centiparsec 757 Tm – 5059 AU – radius of the Stingray Nebula 777 Tm – 5180 AU – one light-month The petametre (SI symbol: Pm) is a unit of length in...
    188 KB (17,850 words) - 08:01, 4 January 2025
  • Thumbnail for NGC 5247
    NGC 5247 is a face-on unbarred spiral galaxy located some 60 million light years away in the constellation Virgo. It is a member of the Virgo II Groups...
    6 KB (458 words) - 18:28, 11 December 2024
  • Thumbnail for Corona Borealis
    around 2.4 M☉ and has swollen to 7.4 R☉. It has a surface temperature of 5180 K. For most of its existence, Delta Coronae Borealis was a blue-white main-sequence...
    55 KB (6,379 words) - 23:30, 29 December 2024
  • 24 6252 WASP-2b 0.931 1.081 2.152175 0.03144 1311 transit 2007 501.94 0.9 5180 WASP-3b 2.43 1.42 1.84683 0.0315 2020 transit 2007 758.99 1.62 6400 WASP-4b...
    54 KB (1,045 words) - 03:31, 28 July 2024
  • Thumbnail for Delta Coronae Borealis
    and has swollen to 7.4 times its radius. It has a surface temperature of 5180 K. For most of its existence, Delta Coronae Borealis was a blue-white main...
    8 KB (655 words) - 11:18, 20 January 2024